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Abstract

This study focuses on analyzing the mechanical system of the durian shell knocking mechanism for export. In the durian export process in our country, there is a stage where a worker specializes in knocking the durian skin to determine if the fruit is ripe or not before cutting it. Another application involves placing the durians on a conveyor belt for batch conversion into exports. It's necessary to weigh them for classification, and for improved quality, we perform a "double-check" by tapping on the pods to estimate how many days are left until they ripen. The classification algorithm handles this aspect. However, to meet the production chain's timing, the mechanical system needs to be designed for efficiency. It involves analyzing the operational space and response time for the tapping process to ensure synchronized data transmission at all stages of the system. The entire cycle takes 2 seconds, and the calculated response time is 1.3 seconds. The trajectory of the percussion head follows an arc in a two-dimensional coordinate system. Kinetic analysis is conducted to obtain precise data regarding the joints in the muscle system. We employ mathematical background, including association equations and functional equation solutions, to derive mathematical functions that assist in the analysis.



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Article Details

Issue: Vol 8 No 3 (2025)
Page No.: 2623-2630
Published: Sep 30, 2025
Section: NSCAMVE - Advances in mechanical and vehicle engineering 2023
DOI: https://doi.org/10.32508/stdjet.v8i3.1148

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Creative Commons License

Copyright: The Authors. This is an open access article distributed under the terms of the Creative Commons Attribution License CC-BY 4.0., which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 How to Cite
Nguyen, N., Dao, T., & Tran, H. (2025). Mechanical analysis of durian shell knocking mechanism. VNUHCM Journal of Engineering and Technology, 8(3), 2623-2630. https://doi.org/https://doi.org/10.32508/stdjet.v8i3.1148

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